A species of salmon that has been the subject of conservation efforts and legal wrangling in recent years. Traditionally found in coastal streams and rivers on the West Coast and in the Pacific Ocean, many coho salmon populations are in steep decline, and some have been listed for protection under the Endangered Species Act (ESA) as “endangered,” “threatened,” and “species of concern.” At various times — including in a number of high-profile federal court decisions — ESA protections for certain coho salmon populations have been challenged, removed, and restored.

coho salmon — a small salmon, Oncorhynchus kisutch, of the North Pacific coasts and also in the Great Lakes, where it was introduced: important as a game and food fish. Also, cohoe salmon. Also called blue jack, coho, cohoe, silver salmon. [1865 70; earlier… … Universalium

coho salmon — noun a species of anadromous fish in the salmon family (Oncorhynchus kisutch) Syn: coho … Wiktionary

Salmon — is the common name for several species of fish of the family Salmonidae. Several other fish in the family are called trout. Salmon live in both the Atlantic and Pacific Oceans, as well as the Great Lakes and other land locked lakes.Typically,… … Wikipedia

coho — [kō′hō΄] n. pl. coho or cohos [earlier co hue, prob. &LT; Salish (Chilliwack dial.) kwúhw uth] a comparatively small salmon (Oncorhynchus kisutch), native to the N Pacific Ocean and now widely introduced as a game fish into fresh waters of the N… … English World dictionary